| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| is air a substance | 0.78 | 0.1 | 8904 | 84 | 18 |
| is | 1.85 | 0.2 | 7542 | 2 | 2 |
| air | 0.91 | 0.4 | 1409 | 5 | 3 |
| a | 1.85 | 0.3 | 4764 | 52 | 1 |
| substance | 1.23 | 0.7 | 6687 | 47 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| is air a substance | 1.23 | 0.3 | 3950 | 45 |
| is air a substance or mixture | 1.58 | 0.7 | 263 | 75 |
| is air a pure substance | 0.08 | 0.8 | 4349 | 38 |
| is air a pure substance or mixture | 0.49 | 0.1 | 486 | 67 |
| name a substance that is less dense than air | 0.48 | 1 | 3091 | 42 |
| is clean air a pure substance or mixture | 1.49 | 0.1 | 7750 | 44 |
| air inside balloon pure substance or mixture | 0.17 | 0.2 | 8556 | 4 |
